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4
Commissioning
Festo – MPAC-VI-EN – 2017-12a – English
37
4
Commissioning
4.1
Prior to commissioning
Carry out the following steps in preparation for commissioning:
Switch off the power supply before connecting or disconnecting plug connectors (otherwise func
tional damage).
Only commission a valve terminal that has been mounted and wired completely.
Make sure there is an adequate exchange of air (cooling) during the following operating conditions:
– maximum valve configuration
– maximum operating voltage
– endurance stress of the solenoid coils
Note the specifications concerning the operating medium.
4.1.1
Pressure build-up in the overall supply
Warning
If the build-up of pilot air is too slow or delayed, this may lead to sudden unexpected
movements of the actuators under the following conditions:
– When the compressed air is connected via a safety start-up valve (gradual pressure
build-up) and
– If there are electric signals (e.g. after EMERGENCY OFF switching).
This can cause damage to the machine or system and even injury to persons.
Operate the valve terminal with external pilot air (3 ... 8 bar). Branch the pilot air in
front of the safety start-up valve (see Fig. 4.1).
Содержание MPAC-VI
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